📖 Biblical Definition
The vault or expanse of heaven described in Genesis 1:6-8 as separating the waters above from the waters below. Hebrew raqiʾa derives from raqa (to beat out, spread out), like a beaten metal sheet; the same word is used of the heavens in Job 37:18, Ezek 1:22, Ps 19:1. Christian interpretation has variously read it as the atmosphere, the celestial sphere, or both, depending on the cosmology presupposed.
📜 Webster 1828 Definition
FIRMAMENT, n.
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A scriptural cosmological term; the vault or expanse of the heavens.
📖 Key Scripture
Genesis 1:6 — "And God said, Let there be a firmament in the midst of the waters, and let it divide the waters from the waters."
Genesis 1:8 — "And God called the firmament Heaven."
Psalm 19:1 — "The heavens declare the glory of God; and the firmament sheweth his handywork."
Ezekiel 1:22 — "And the likeness of the firmament upon the heads of the living creature was as the colour of the terrible crystal."
⚠️ Modern Corruption
Modern critics use Genesis 1 cosmology to discredit Scripture; the firmament invites worship, not embarrassment.
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Modern critics often use Genesis 1's cosmology to discredit Scripture, arguing that the firmament represents an outdated three-tiered universe and therefore the Bible cannot be trusted on anything. The argument is overconfident. Scripture uses the cosmological vocabulary of its time to communicate theological truth: God created; God ordered; God sustains. The phenomenology is not the doctrine.
Psalm 19 reads the firmament correctly. Whatever the precise cosmological framework, the heavens declare the glory of God and the firmament shows His handiwork. Step outside on a clear night. Look up. The firmament invites worship, not embarrassment. The same Creator who beat out the heavens like a metal sheet is the Lord who saves the man who looks up to Him.
🔗 Greek & Hebrew Roots
Hebrew/Greek roots below.
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H7549 — raqia — firmament; expanse
H7554 — raqa — to beat out
Usage
"Modern critics use Genesis 1 cosmology to discredit Scripture; the firmament invites worship."
"Phenomenology is not doctrine; God created, ordered, sustains."
"Step outside on a clear night; the firmament still declares glory."